diff options
author | Avneesh Saluja <asaluja@gmail.com> | 2013-03-28 18:28:16 -0700 |
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committer | Avneesh Saluja <asaluja@gmail.com> | 2013-03-28 18:28:16 -0700 |
commit | 3d8d656fa7911524e0e6885647173474524e0784 (patch) | |
tree | 81b1ee2fcb67980376d03f0aa48e42e53abff222 /gi/posterior-regularisation/prjava/src/util/DigammaFunction.java | |
parent | be7f57fdd484e063775d7abf083b9fa4c403b610 (diff) | |
parent | 96fedabebafe7a38a6d5928be8fff767e411d705 (diff) |
fixed conflicts
Diffstat (limited to 'gi/posterior-regularisation/prjava/src/util/DigammaFunction.java')
-rw-r--r-- | gi/posterior-regularisation/prjava/src/util/DigammaFunction.java | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/gi/posterior-regularisation/prjava/src/util/DigammaFunction.java b/gi/posterior-regularisation/prjava/src/util/DigammaFunction.java deleted file mode 100644 index ff1478ad..00000000 --- a/gi/posterior-regularisation/prjava/src/util/DigammaFunction.java +++ /dev/null @@ -1,21 +0,0 @@ -package util; - -public class DigammaFunction { - public static double expDigamma(double number){ - if(number==0)return number; - return Math.exp(digamma(number)); - } - - public static double digamma(double number){ - if(number > 7){ - return digammApprox(number-0.5); - }else{ - return digamma(number+1) - 1.0/number; - } - } - - private static double digammApprox(double value){ - return Math.log(value) + 0.04167*Math.pow(value, -2) - 0.00729*Math.pow(value, -4) - + 0.00384*Math.pow(value, -6) - 0.00413*Math.pow(value, -8); - } -} |